Radeon HD 6850 X2 vs Radeon R7 250X

In this comparison between Radeon HD 6850 X2 and Radeon R7 250X you will find out which graphics card performs better in today's games. Bear in mind that third-party versions may have more efficient cooling and higher clock speeds. This will increase cards' performance, though not by much. In addition to raw power you should also take into account the dimensions. Thicker models simply will not fit into a small mini-ITX case. The resolution of your monitor also affects the choice, since 4K gameplay requires a more powerful GPU. And don't overspend on the graphics card. Other parts of your build may also need to be upgraded, save some money for the CPU or power supply. For some people Radeon HD 6850 X2 will be the best choice, for others Radeon R7 250X will be their preference. Study the comparison tables below and make your choice.

Main Specs

  Radeon HD 6850 X2 Radeon R7 250X
Power consumption (TDP) 254 Watt 80 Watt
Interface PCIe 2.0 x16 PCIe 3.0 x16
Supplementary power connectors 2x 8-pin 1 x 6-pin
Memory type GDDR5 GDDR5
Maximum RAM amount 2 GB 2 GB
Display Connectors 2x DVI, 1x HDMI, 1x DisplayPort 1x DVI, 1x HDMI, 2x mini-DisplayPort
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  • Radeon HD 6850 X2 has 217% more power consumption, than Radeon R7 250X.
  • Radeon HD 6850 X2 is connected by PCIe 2.0 x16, and Radeon R7 250X uses PCIe 3.0 x16 interface.
  • Radeon HD 6850 X2 and Radeon R7 250X have maximum RAM of 2 GB.
  • Both cards are used in Desktops.
  • Radeon HD 6850 X2 is build with TeraScale 2 architecture, and Radeon R7 250X - with GCN 1.0.
  • Radeon HD 6850 X2 is manufactured by 40 nm process technology, and Radeon R7 250X - by 28 nm process technology.
  • Memory clock speed of Radeon HD 6850 X2 is 2575 MHz higher, than Radeon R7 250X.

Game benchmarks

high / 1080p 12−14 10−12
ultra / 1080p 7−8 6−7
QHD / 1440p 2−3 1−2
low / 720p 27−30 24−27
medium / 1080p 16−18 14−16
The average gaming FPS of Radeon HD 6850 X2 in Assassin's Creed Odyssey is 18% more, than Radeon R7 250X.

Full Specs

  Radeon HD 6850 X2 Radeon R7 250X
Architecture TeraScale 2 GCN 1.0
Code name Barts Cape Verde
Type Desktop Desktop
Release date 19 September 2011 13 February 2014
Pipelines 960 640
Core clock speed 800 MHz
Boost Clock 1000 MHz
Transistor count 1,700 million 1,500 million
Manufacturing process technology 40 nm 28 nm
Texture fill rate 38.40 38.00
Floating-point performance 2x 1,536.0 gflops 1,216 gflops
Length 210 mm
Memory bus width 256 Bit 128 Bit
Memory clock speed 4200 MHz 1625 MHz
Memory bandwidth 134.4 GB/s 96 GB/s
DirectX 11.2 (11_0)
Shader Model 5.0 5.1
OpenGL 4.4 4.6
OpenCL 1.2 1.2
Vulkan N/A
FreeSync +
Bus support PCIe 3.0
HDMI +
Bitcoin / BTC (SHA256) 152 Mh/s
Eyefinity +
Design reference
CrossFire +
DDMA audio +
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